diff --git a/CMakeLists.txt b/CMakeLists.txt
index a54c2ff..3b83a7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -852,11 +852,8 @@ endif()
 # Check for idn2
 option(USE_LIBIDN2 "Use libidn2 for IDN support" ON)
 if(USE_LIBIDN2)
-  check_library_exists("idn2" "idn2_lookup_ul" "" HAVE_LIBIDN2)
-  if(HAVE_LIBIDN2)
-    set(CURL_LIBS "idn2;${CURL_LIBS}")
-    check_include_file_concat("idn2.h" HAVE_IDN2_H)
-  endif()
+  set(HAVE_LIBIDN2 TRUE)
+  list(INSERT CURL_LIBS 0 ${LIBIDN2_LINK_LIBRARIES})
 else()
   set(HAVE_LIBIDN2 OFF)
 endif()